Doubling 1NT

A double of (1NT) may have different meanings depending on the bidding sequence:

Opponent's bid	Example	Meaning
1NT opening	(1NT) > X	Cappelletti
1NT response	(1D) > (1NT) > X	Takeout
1NT after our previous takeout double	(1D) > X > (1NT) > X	Penalty
1NT overcall with unbid major	1C > (1NT) > X 1H > (1NT) > X (1C) > 1H > (1NT) > X	Negative
1NT overcall after our opening and major response	1H > 1S > (1NT) > X 1C > (1D) > 1S > (1NT) > X	Support
Others, when doubler has shown a weak hand	1C > P > (1NT) > P > X	Takeout
Others, when doubler has not shown a weak hand	1C > (1S) > P > (1NT) > X (1H) > 1S > (1NT) > X	??